Alert archive / North Dakota / Areal Flood Advisories in 2009

Areal Flood Advisory 21, NWS Bismarck, ND

June 17, 2009Dunn County, North Dakota

NWS Bismarck, ND issued this areal flood advisory at Jun 17, 2009, 6:13 PM MDT for Dunn County, North Dakota. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jun 17, 2009, 6:13 PM MDT (00:13 UTC)
Expired: Jun 17, 2009, 9:00 PM MDT
In force: 3 hr
Issued by: NWS Bismarck, ND
Area: Storm-based polygon

County Dunn County, ND

The radar

The Bismarck radar (KBIS), 155 km from the middle of the area, began a volume at 00:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 0.2 hours before the alert went out and 366 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1229 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1320 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 199 m²/s²
0-3 km storm-relative helicity: 299 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 7.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Bismarck, ND wrote its last area forecast discussion before this areal flood advisory went out at Jun 17, 1:15 PM MDT, 4 hours 58 minutes earlier.

Area forecast discussion, Jun 17, 1:15 PM MDT, 4 hours 58 minutes before

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Hazardous weather outlook, Jun 17, 4:07 AM MDT, 14 hours 6 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 11:04 AM MDT	Areal Flood Advisory	BIS	Grant, Morton, Sioux	6 hr
Jun 18, 11:48 AM MDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	57 min
Jun 18, 12:12 PM MDT	Severe Thunderstorm Warning	BIS	LaMoure	51 min
Jun 18, 1:25 PM MDT	Severe Thunderstorm Warning	BIS	Renville, Ward	35 min
Jun 18, 1:59 PM MDT	Severe Thunderstorm Warning	BIS	McIntosh	61 min
Jun 18, 2:09 PM MDT	Tornado Warning	BIS	McIntosh	36 min
Jun 18, 2:41 PM MDT	Severe Thunderstorm Warning	BIS	Dickey	64 min
Jun 18, 2:58 PM MDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure, Logan	62 min
Jun 18, 3:17 PM MDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	58 min
Jun 18, 3:48 PM MDT	Severe Thunderstorm Warning	BIS	Bottineau	42 min
Jun 18, 3:58 PM MDT	Severe Thunderstorm Warning	BIS	Ward	62 min
Jun 18, 4:56 PM MDT	Severe Thunderstorm Warning	BIS	Rolette	49 min
Jun 18, 5:45 PM MDT	Severe Thunderstorm Warning	BIS	Bottineau, Rolette	51 min

Nearby

Areal Flood Advisories in North Dakota, 2009 Every areal flood advisory in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.